CVE-2011-1767

Severity: medium (CVSS 5.4 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2012-06-13 · updated 2026-06-16

Description

net/ipv4/ip_gre.c in the Linux kernel before 2.6.34, when ip_gre is configured as a module, allows remote attackers to cause a denial of service (OOPS) by sending a packet during module loading.

Affected products

Linux kernel: through 2.6.33.20; 2.6.33, 2.6.33.1, 2.6.33.2, 2.6.33.3, 2.6.33.4, 2.6.33.5 (+14)

References

http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2892f02712e9516d72841d5c019ed6916329794
http://www.openwall.com/lists/oss-security/2011/05/05/6
https://bugzilla.redhat.com/show_bug.cgi?id=702303
https://github.com/torvalds/linux/commit/c2892f02712e9516d72841d5c019ed6916329794
http://ftp.osuosl.org/pub/linux/kernel/v2.6/ChangeLog-2.6.34
http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git%3Ba=commit%3Bh=c2892f02712e9516d72841d5c019ed6916329794
http://www.openwall.com/lists/oss-security/2011/05/05/6
https://bugzilla.redhat.com/show_bug.cgi?id=702303
https://github.com/torvalds/linux/commit/c2892f02712e9516d72841d5c019ed6916329794

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